with thin siltstone and sandstone interbeds were deposited under low
energy conditions. They form the lowest part of a thick coarsening
upward sequence, and are interpreted as pro-delta deposits (George
& Kelling, 1982).
|image credit: Roger Suthren. Namurian (U Carboniferous), Marros Sands, S Wales|
-- images of sediments and sedimentary rocks at virtual-geology.info
This page is maintained by Roger Suthren. Last updated 9 March, 2006 17:12